Messages in this thread Patch in this message | | | Date | Thu, 3 Mar 2011 16:27:45 -0500 | From | Mike Snitzer <> | Subject | Re: [PATCH 05/10] block: remove per-queue plugging |
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On Thu, Mar 03 2011 at 4:23pm -0500, Mike Snitzer <snitzer@redhat.com> wrote:
> > diff --git a/block/blk-flush.c b/block/blk-flush.c > > index 54b123d..c0a07aa 100644 > > --- a/block/blk-flush.c > > +++ b/block/blk-flush.c > > @@ -59,7 +59,6 @@ static struct request *blk_flush_complete_seq(struct request_queue *q, > > static void blk_flush_complete_seq_end_io(struct request_queue *q, > > unsigned seq, int error) > > { > > - bool was_empty = elv_queue_empty(q); > > struct request *next_rq; > > > > next_rq = blk_flush_complete_seq(q, seq, error); > > @@ -68,7 +67,7 @@ static void blk_flush_complete_seq_end_io(struct request_queue *q, > > * Moving a request silently to empty queue_head may stall the > > * queue. Kick the queue in those cases. > > */ > > - if (was_empty && next_rq) > > + if (next_rq) > > __blk_run_queue(q); > > } > > > ... > > diff --git a/block/elevator.c b/block/elevator.c > > index a9fe237..d5d17a4 100644 > > --- a/block/elevator.c > > +++ b/block/elevator.c > > @@ -619,8 +619,6 @@ void elv_quiesce_end(struct request_queue *q) > ... > > -int elv_queue_empty(struct request_queue *q) > > -{ > > - struct elevator_queue *e = q->elevator; > > - > > - if (!list_empty(&q->queue_head)) > > - return 0; > > - > > - if (e->ops->elevator_queue_empty_fn) > > - return e->ops->elevator_queue_empty_fn(q); > > - > > - return 1; > > -} > > -EXPORT_SYMBOL(elv_queue_empty); > > - > > Your latest 'for-2.6.39/stack-unplug' rebase (commit 7703acb01e) > misses removing a call to elv_queue_empty() in > block/blk-flush.c:flush_data_end_io() > > CC block/blk-flush.o > block/blk-flush.c: In function ‘flush_data_end_io’: > block/blk-flush.c:266: error: implicit declaration of function ‘elv_queue_empty’
This allows me to compile:
diff --git a/block/blk-flush.c b/block/blk-flush.c index de5ae6e..671fa9d 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -263,10 +263,9 @@ static bool blk_kick_flush(struct request_queue *q) static void flush_data_end_io(struct request *rq, int error) { struct request_queue *q = rq->q; - bool was_empty = elv_queue_empty(q); /* after populating an empty queue, kick it to avoid stall */ - if (blk_flush_complete_seq(rq, REQ_FSEQ_DATA, error) && was_empty) + if (blk_flush_complete_seq(rq, REQ_FSEQ_DATA, error)) __blk_run_queue(q); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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